/*
 * @Author: WangZhongDe
 * @Date: 2021-07-22 13:41:07
 * @LastEditors: WangZhongDe
 * @LastEditTime: 2021-07-22 21:58:37
 * @FilePath: \rust\hello\src\main.rs
 */
fn main() {
    let x:i32=1;
    println!("Hello, world!,{}",x);
}
